CN217489558U - Excimer lamp light source - Google Patents
Excimer lamp light source Download PDFInfo
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- CN217489558U CN217489558U CN202220589587.4U CN202220589587U CN217489558U CN 217489558 U CN217489558 U CN 217489558U CN 202220589587 U CN202220589587 U CN 202220589587U CN 217489558 U CN217489558 U CN 217489558U
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Abstract
The utility model discloses an excimer lamp light source, including the excimer lamp pipe, regular reflector and secondary reflector, regular reflector is the arc surface form, regular reflector sets up in the cladding within range that regular reflector was arranged in to the below of excimer lamp pipe and excimer lamp pipe, the top of excimer lamp pipe is arranged in and shelters from the front of excimer lamp pipe to secondary reflector, the excimer lamp pipe is at secondary reflector, the ultraviolet ray is sent out in the supplementary excitation of electrode grid net, partial ultraviolet light is reflected to regular reflector department through secondary reflector, whole ultraviolet light is parallelly jetted out after the regular reflector reflection. The utility model discloses use the dual reflection design, utilize two opposite direction's of regular reflection mirror and secondary mirror speculum, aim at the 222 nanometer ultraviolet ray that the molecular fluorescent tube sent and reflect, utilize the directionality that optical system produced, make the ultraviolet ray all be on a parallel with the lamp body and find out, improve the penetrating effect of ultraviolet ray in the air, reach the utilization ratio more than 200%, reach higher utilization ratio and better bactericidal effect.
Description
Technical Field
The utility model relates to a technical field that disinfects, more specifically say, relate to an excimer lamp light source.
Background
The excimer laser is a laser that is generated when a molecule formed of a mixed gas of an inert gas and a halogen gas excited by an electron beam is transited to a ground state thereof. The excimer laser belongs to cold laser without thermal effect, is pulse laser with strong directionality, high wavelength purity and large output power, has photon energy wavelength range of 157-353 nm, service life of dozens of nanoseconds, belongs to ultraviolet light, and has the most common wavelengths of 157nm, 193nm, 222nm, 248nm, 308nm and 351-353 nm.
In the prior art, in view of the fact that the conventional germicidal lamp is a low-pressure mercury lamp, the germicidal lamp of this type has the disadvantages of uneven heat dissipation, danger of toxic steam overflow, harm to human bodies due to generated ultraviolet light and the like, and is gradually replaced by an excimer lamp. However, when the excimer lamp utilizes 222nm short-wave deep ultraviolet to sterilize the human body, the penetration effect of the 222nm ultraviolet in the air is poor, so that the illumination unit amount which can be reached by the excimer lamp is insufficient, the utilization rate is low, and the sterilization effect is poor.
The above disadvantages need to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an excimer lamp light source.
The utility model discloses technical scheme as follows:
the utility model provides an excimer lamp light source, includes the casing, inside excimer lamp, regular reflector and the secondary mirror of setting up of casing, regular reflector is the arc surface form, regular reflector set up in the below of excimer lamp just the excimer lamp is arranged in the cladding within range of regular reflector, secondary mirror is arranged in the top of excimer lamp and is sheltered from the front of excimer lamp, excimer lamp is in the ultraviolet ray is sent out under the supplementary excitation of secondary mirror, electrode grid, and part ultraviolet light is in secondary mirror reflection extremely regular reflector department, whole ultraviolet light is in the parallel jets out behind the regular reflector reflection.
The shell comprises a base and a filter plate, the base is of a semi-surrounding structure, the excimer lamp tube is provided with the regular reflector and the secondary reflector, the regular reflector is arranged inside the base, and ultraviolet light emitted by the excimer lamp tube is reflected by the regular reflector and then parallelly emitted out of the filter plate.
Further, the filter plate is a quartz protection filter plate, and the light transmittance of the quartz protection filter plate to ultraviolet rays is greater than or equal to 80%.
Furthermore, the bottom of the base is provided with a reflector fixing support with a cambered surface at the top, and the regular reflector is fixed on the reflector fixing support through a screw.
The excimer lamp light source is characterized in that ceramic insulating plates are arranged on two sides of the shell, a lamp tube fixing pad is arranged on each ceramic insulating plate, a lamp tube fixing ring is arranged on each lamp tube fixing pad, an excimer lamp tube penetrates through each lamp tube fixing ring to be fixed on each ceramic insulating plate, and the auxiliary reflector is fixed on the horizontal part of each lamp tube fixing pad.
Furthermore, the ceramic insulating plate is provided with a wiring hole, and a power supply circuit penetrates through the wiring hole and is respectively connected with the excimer lamp tube and the secondary reflector.
In the excimer lamp light source, the regular reflector and the secondary reflector are both of arc surface structures, and the arrangement direction of the regular reflector is opposite to that of the secondary reflector.
In the excimer lamp light source, the bottom of the positive reflector is connected with the electrode grid net, the electrode grid net is fixed in the shell through the spring electrode, and the spring electrode penetrates through the shell through the connecting wire and is connected with the outside.
In the excimer lamp light source, the front side and the rear side of the shell are connected with the reflector positioning plate, and two ends of the regular reflector are respectively contacted with the lower part of the reflector positioning plate.
According to the excimer lamp light source, the side reflecting baffle is arranged on the shell along the curve of the cambered surface of the front reflector.
In the excimer lamp light source, the front reflector is a paraboloid.
Further, the formula of the paraboloid of the regular reflection mirror is as follows: 1/4f x 2 ，
Wherein f is the focal length, namely the distance between the regular reflection mirror and the excimer lamp tube.
In the excimer lamp light source, the regular reflector and the secondary reflector are all in an ellipsoidal or aspheric surface type, and the calculation formula is
Wherein k is a conic constant;
c is a curvature of the glass substrate,
in the excimer lamp light source, the secondary reflector is closely attached to the excimer lamp tube, and the secondary reflector covers at least one quarter of the surface of the excimer lamp tube.
In the excimer lamp light source, the surface of the secondary reflector is flush with the surface of the regular reflector.
The excimer lamp light source comprises the following design processes:
s1, determining the working distance of a lamp light source and the required irradiance per unit area;
s2, taking the excimer lamp tube as a light-emitting point, and taking the distance between the excimer lamp tube and the auxiliary reflector as a focal length;
s3, inputting a focal length calculation in calculation software to obtain a reflecting cover surface basic formula;
and S4, optimizing a reflecting cover surface basic formula by computing software, and adjusting the position of the excimer lamp tube when necessary to enable the specified distance to meet the requirement of irradiance in unit area.
According to the above scheme the utility model discloses, its beneficial effect lies in, the utility model discloses use the dual reflection design, utilize two opposite direction's of positive reflector and secondary reflector speculum, aim at the 222 nanometer ultraviolet ray that the molecular fluorescent tube sent and reflect, the directionality that utilizes optical system to produce, make the ultraviolet ray all be on a parallel with the lamp body and find out, improve the penetrating effect of ultraviolet ray in the air, reach the utilization ratio more than 200%, especially in the space to between the common working distance 1.5-2 meters, can obviously improve the penetrating effect of ultraviolet ray, reach higher utilization ratio and better bactericidal effect.
The secondary reflector has the beneficial effects that: 1. shielding effect-shielding ultraviolet light emitted by the excimer lamp tube on the front surface of the lamp body to prevent the emitted ultraviolet light from directly irradiating human eyeballs; 2. the reflectivity is improved, namely part of ultraviolet light is reflected to the positive reflecting mirror, and the concentration of the ultraviolet light is improved by utilizing the directionality of light; 3. the electrodes on two sides are connected to play a role in electrode excitation and can assist the excimer lamp to excite 222 nanometer light.
The utility model discloses utilize the regular reflection mirror of optics design can adjust reflection angle, design the regular reflection mirror surface type according to the demand, improved more than the utilization ratio 200%, especially to the space of normal working distance 1.5 meters and 2 meters.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
FIG. 3 is a reflector light path diagram of the excimer lamp, the regular reflector and the secondary reflector.
Wherein, in the figures, the respective reference numerals:
1. a base; 2. a spring electrode; 3. a ceramic insulating plate; 4. a specular mirror; 5. a side reflective baffle; 6. a reflector positioning plate; 7. a mirror fixing bracket; 8. a lamp tube fixing gasket; 9. an electrode grid mesh; 10. the side plate fixes the gasket; 11. a secondary mirror; 12. an excimer lamp tube; 13. a quartz protective filter; 14. a lamp tube fixing ring.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "fixed" or "disposed" or "connected" to another element, it can be directly or indirectly located on the other element. The terms "upper", "lower", "left", "right", "front", "rear", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical aspects.
An excimer lamp light source is shown in figure 1 and comprises an excimer lamp tube 12, a regular reflector 4 and an auxiliary reflector 11, wherein the regular reflector 4 is arc-shaped, the regular reflector 4 is arranged below the excimer lamp tube 12, the excimer lamp tube 12 is arranged in the coating range of the regular reflector 4, the auxiliary reflector 11 is arranged above the excimer lamp tube 12 and shields the front of the excimer lamp tube 12, the excimer lamp tube 12 emits ultraviolet light under the auxiliary excitation of the auxiliary reflector 11 and an electrode grid net 9, part of the ultraviolet light is reflected to the regular reflector 4 through the auxiliary reflector 11, and all the ultraviolet light is emitted in parallel after being reflected by the regular reflector 4.
As shown in fig. 1 and 2, the base 1 is a cuboid shell provided with enclosing plates on four sides as a containing structure of a product, the height of the enclosing plates on the left side and the right side is higher, concave notches are arranged, the heights of the enclosing plates on the front side and the rear side are lower, and the height difference exists between the enclosing plates on the left side and the right side. In the inside of base 1, the bottom is vertical sets up the reflector fixed bolster 7 that polylith top surface is the cambered surface, and the radian of its cambered surface matches with the radian of regular reflection mirror 4.
In the character cut in bas-relief shape breach of the base 1 left and right sides, set up ceramic insulation board 3 and carry out the shutoff, the edge of ceramic insulation board 3 is passed through the screw or the bolt is connected with the bounding wall of the base 1 left and right sides, and the middle part of ceramic insulation board 3 sets up positioning bolt, is connected with fluorescent tube fixed gasket 8 through positioning bolt, so, forms insulation system in the left and right sides of base 1 to the mounted position of excimer lamp pipe 12 has been constructed. The lamp tube fixing gasket 8 is a bending piece, one side of the lamp tube fixing gasket is provided with a fixing round hole fixedly connected with the positioning bolt, and the other side of the lamp tube fixing gasket forms a supporting bottom structure to support the excimer lamp tube 12.
The lower bounding wall in base 1 front and back both sides sets up the screw hole on certain height, fixes speculum locating plate 6 through the screw. A side reflecting baffle 5 is arranged above a reflector positioning plate 6, a small gap exists between the side reflecting baffle 5 and the reflector positioning plate 6, and two ends of the side reflecting baffle 5 are in contact with a ceramic insulating plate 3 and are connected through a side plate fixing gasket 10 arranged on the inner surface. The bending planes at the two sides of the side plate fixing gasket 10 are respectively positioned on the inner surface of the side reflection baffle 5 and the inner surface of the ceramic insulating plate 3, and the side reflection baffle 5 and the ceramic insulating plate 3 are respectively connected together through screws, so that the radiation measuring baffle is fixed at a position higher than the reflector positioning plate 6.
A base 1, a ceramic insulating plate 3, a reflector positioning plate 6 and a side reflecting baffle 5 form a semi-enclosed casing structure in a cuboid shape, and an excimer lamp tube 12 and a reflector corresponding to the position of the excimer lamp tube are arranged in the semi-enclosed casing structure.
The utility model discloses a reflection design include positive reflecting mirror 4 and secondary mirror 11, positive reflecting mirror 4 sets up opposite direction with secondary mirror 11, at the inside positive, two kinds of reflexes of formation of semi-surrounding casing.
The regular reflector 4 is of an arc-shaped structure, and the arc-shaped part of the regular reflector is fixed in a fixing column on the base 1 through a screw and is in contact connection with the top of a reflector fixing support 7 on the base 1. Two ends of the positive reflecting mirror 4 are respectively connected with the reflector positioning plate 6 in a contact way and are limited by the position of the reflector positioning plate 6. The regular reflector 4 is arranged at a certain proper position according to the design through the position limitation of the base 1 and the reflector positioning plate 6, so that the required reflection angle is achieved.
A spring electrode 2 and an electrode grid net 9 are arranged between the positive reflecting mirror 4 and the base 1, and related circuits extend into the base 1 through two sides of the ceramic insulating plate 3 and are connected with the spring electrode 2. One end of the spring electrode 2 is fixed at the bottom of the base 1, and the other end is fixed at the bottom of the positive reflecting mirror 4 and is in contact connection with the electrode grid net 9. The electrode grid net 9 covers the bottom of the regular reflection mirror 4 and is arranged on the other side of the excimer lamp tube 12 to play a role in fully exciting 222 nanometer light.
The lamp fixing pad installed on the ceramic insulating plate 3 is fixedly connected with the lamp fixing ring 14, and the two ends of the excimer lamp 12 are respectively inserted into the lamp fixing ring 14 for fixing, so that the excimer lamp 12 is fixed between the ceramic insulating plates 3 at the two ends. The ceramic insulating plate 3 is provided with a wiring hole, a power supply circuit passes through the wiring hole to be connected with two sides of the excimer lamp tube 12, and the outer side of the ceramic insulating plate 3 is provided with an insulator for coating and insulating sealing.
An auxiliary reflector 11 is arranged above the excimer lamp tube 12, the auxiliary reflector 11 is also of a cambered surface structure, and the arrangement direction of the auxiliary reflector 11 is opposite to that of the regular reflector 4. The two ends of the secondary reflector 11 are fixed on the lamp tube fixing pads, and the crosspieces horizontally arranged through the lamp tube fixing pads are stabilized above the excimer lamp tube 12. The auxiliary reflector 11 comprises round holes at two ends for fixing screws and a reflecting part at the middle part, the reflecting part is arranged above the excimer lamp tube 12, and ultraviolet light emitted by the excimer lamp tube 12 is reflected to the regular reflector 4 below. The secondary reflector 11 has the function of exciting 222nm light of the excimer lamp tube 12 by the electrode, and reflects the 222nm light to the regular reflector 4, so that the reflectivity of ultraviolet light is improved, light on the front surface of the excimer lamp tube 12 is shielded, and the excimer lamp tube 12 is prevented from directly irradiating human eyes.
Preferably, the primary reflector 4 and the secondary reflector 11 are both parabolic reflectors, and reflect ultraviolet light in parallel to reduce the light-emitting angleAnd (4) enhancing the reflection efficiency. The formula of the paraboloid of the positive reflecting mirror is as follows: 1/4f x 2 Wherein f is the focal length, namely the distance between the regular reflection mirror and the excimer lamp tube. The regular reflector calculated by the formula can effectively reflect ultraviolet light out in parallel, collect ultraviolet light except the front of the excimer lamp tube and achieve the effect of increasing the front illumination by more than 250%.
Preferably, the positive reflector and the secondary reflector are both of an ellipsoidal surface or an aspheric surface type, and the calculation formula is
Wherein k is a conic constant;
c is a curvature of the film to be formed,
the preferable material of the positive reflecting mirror 4 and the secondary reflecting mirror 11 is mirror aluminum, and further, the material of the positive reflecting mirror 4 and the secondary reflecting mirror 11 is ultraviolet high-reflection mirror aluminum or fluorine-containing coating mirror aluminum.
Preferably, the secondary reflector is attached to the excimer lamp tube, and the secondary reflector covers at least one fourth or more of the surface of the excimer lamp tube, so that the secondary reflector emits at least one fourth of the ultraviolet light emitted by the excimer lamp tube to the regular reflector.
In one embodiment, the surface of the secondary mirror is flush with the surface of the regular mirror.
An excimer lamp light source, the design process comprises:
s1, determining the working distance of a lamp light source and the required irradiance per unit area;
s2, taking the excimer lamp tube as a light-emitting point, and taking the distance between the excimer lamp tube and the auxiliary reflector as a focal length;
s3, inputting a focal length calculation in calculation software to obtain a reflecting cover surface basic formula;
and S4, optimizing a reflecting cover surface basic formula by computing software, and adjusting the position of the excimer lamp tube if necessary to enable the specified distance to meet the requirement of irradiance in unit area.
The quartz protective filter 13 is arranged above the base 1, namely the front side of the whole product, and the light transmittance of the quartz sheet material forming the quartz protective filter 13 to the light of 222nm exceeds 80%, and the quartz sheet material is not capped, so that the higher the light transmittance is, the better the light transmittance is. The quartz protective filter 13 is arranged to prevent external foreign matters from entering the lamp body to protect internal elements, and then the impurity light emitted by the excimer lamp tube 12 and other parts of devices is isolated by filtering through the quartz protective filter 13, so that the purity of the ultraviolet light emitted out of the lamp body is increased, and the functions of light screening and filtering are achieved. On the basis, the optical filter arranged on the front surface of the lamp body is made of quartz material, and the common glass material cannot allow the ultraviolet light of 222 nanometers to penetrate through and cannot achieve the sterilization effect.
As shown in fig. 3, the ultraviolet light of 222nm emitted from the excimer lamp 12 is shielded and reflected by the sub-reflector 11 at the front of the lamp body and is totally reflected to the front reflector 4 at the bottom by being fully excited by the sub-reflector 11 and the electrode grid mesh 9, so that the human body eyeball is protected. So, the ultraviolet ray that excimer lamp 12 sent is all on shining positive speculum 4 along the equidirectional not, utilizes the directionality that optical system produced for the ultraviolet ray is all on a parallel with the lamp body and finds out, improves the penetrating effect of ultraviolet ray in the air, reaches more than 200% utilization ratio, especially to in the space between common working distance 1.5-2 meters, obviously improves the penetrating effect of ultraviolet ray, reaches higher utilization ratio, and the specific table as follows shows:
wherein, the first embodiment to the sixth embodiment are the utility model discloses. As shown in the above table, the prior art product is when zero distance, and its excimer lamp 12's power is about promptly the utility model discloses under 10 times's the condition, the product that this application used is located more than 200% of prior art product basically at the illuminance unit that 0.5 meter, 1 meter, 1.5 meter, 2 meters, 2.5 meters and 3 meters departments can reach, and power and efficiency have obvious improvement.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an excimer lamp light source which characterized in that, includes the casing, inside excimer lamp, regular reflector and the secondary mirror of setting up of casing, regular reflector is the arc surface form, regular reflector set up in the below of excimer lamp just the excimer lamp is arranged in the cladding within range of regular reflector, secondary mirror is arranged in the top of excimer lamp and is sheltered from the front of excimer lamp, excimer lamp is in the auxiliary excitation of secondary mirror, electrode grid net is sent out the ultraviolet ray, and part the ultraviolet ray is through secondary mirror reflection extremely regular reflector department, all the ultraviolet ray is through parallel after the regular reflector reflects.
2. The excimer lamp light source as claimed in claim 1, wherein the housing comprises a base and a filter, the base is a semi-surrounding structure, the excimer lamp tube, the regular reflector and the secondary reflector are disposed inside the base, and the uv light emitted from the excimer lamp tube is reflected by the regular reflector and then emitted out of the filter in parallel.
3. The excimer lamp light source of claim 2, wherein the filter is a quartz protective filter, and the transmittance of the quartz protective filter to uv light is greater than or equal to 80%.
4. The excimer lamp light source as claimed in claim 2, wherein the bottom of the base is provided with a reflector fixing bracket having a cambered top, and the regular reflector is fixed on the reflector fixing bracket by screws.
5. An excimer lamp light source as claimed in claim 1, wherein said housing is provided with ceramic insulating plates on both sides thereof, said ceramic insulating plates are provided with lamp fixing pads, said lamp fixing pads are provided with lamp fixing rings, said excimer lamp is fixed on said ceramic insulating plates through said lamp fixing rings, and said secondary reflector is fixed on the horizontal portion of said lamp fixing pads.
6. An excimer lamp light source as claimed in claim 5, wherein said ceramic insulating plate is provided with wiring holes through which power supply lines are connected to said excimer lamp tube and said secondary reflector, respectively.
7. An excimer lamp light source as claimed in claim 1, wherein the regular reflector and the secondary reflector are both of cambered surface structure, and the arrangement direction of the regular reflector and the secondary reflector is opposite.
8. An excimer lamp light source as claimed in claim 1, wherein the bottom of said positive reflector is connected to said electrode grid mesh, said electrode grid mesh being fixed inside said housing by spring electrodes, said spring electrodes being connected to the outside by connecting wires passing through said housing.
9. An excimer lamp light source as claimed in claim 1, wherein said housing is connected to reflector positioning plates at front and rear sides thereof, and both ends of said front reflector are respectively in contact with a lower portion of said reflector positioning plates.
10. An excimer lamp light source as claimed in claim 1, wherein the housing is provided with side reflective baffles along the curved surface of the front reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220589587.4U CN217489558U (en) | 2022-03-17 | 2022-03-17 | Excimer lamp light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220589587.4U CN217489558U (en) | 2022-03-17 | 2022-03-17 | Excimer lamp light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217489558U true CN217489558U (en) | 2022-09-27 |
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ID=83348073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220589587.4U Active CN217489558U (en) | 2022-03-17 | 2022-03-17 | Excimer lamp light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217489558U (en) |
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2022
- 2022-03-17 CN CN202220589587.4U patent/CN217489558U/en active Active
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